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Finding the Fourth Proportional to 412,650.60, 619,091.10 and 202,295.40

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Solution

The fourth proportional to 412,650.60, 619,091.10 and 202,295.40 is: 303,499.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,650.60 : 619,091.10 = 202,295.40 : x
  2. Step 2: Convert to fraction form
    412,650.60/619,091.10 = 202,295.40/x
  3. Step 3: Cross multiply
    412,650.60x = 619,091.10 × 202,295.40
  4. Step 4: Simplify right side
    412,650.60x = 125,239,281,710.94
  5. Step 5: Solve for x
    x = 125,239,281,710.94/412,650.60
  6. Step 6: Final answer
    x = 303,499.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.